2021 GMC Sierra 1500 Oil type
Depends on your engine. Choose yours, or compare them here.
- 5.3L V8 0W-20
- 2.7L L4 and 4.3L V6 5W-30
- 2.7L L4 and 4.3L V6, extreme cold below −29 °C (−20 °F) 0W-30
0W-20
5.3L V8
5W-30
2.7L L4 and 4.3L V6
0W-30
2.7L L4 and 4.3L V6, extreme cold below −29 °C (−20 °F)
2021 GMC Sierra 1500 Owner's Manual, PDF page 339
For the 5.3L V8 engine, use SAE 0W-20 viscosityOpen the manual at this page ↗Added Oct 15, 2026
See where it's printed
Oil type · 5.3L V8 · PDF page 339
For the 5.3L V8 engine, use SAE 0W-20 viscosity
Oil type · 2.7L L4 and 4.3L V6 · PDF page 339
SAE 5W-30 viscosity grade engine oil
Oil type · 2.7L L4 and 4.3L V6, extreme cold below −29 °C (−20 °F) · PDF page 339
an SAE 0W-30 oil may be used
2021 GMC Sierra 1500 Owner's Manual, PDF page 339
For the 5.3L V8 engine, use SAE 0W-20 viscosityOpen the manual at this page ↗Added Oct 15, 2026
See where it's printed
Oil type · 5.3L V8 · PDF page 339
For the 5.3L V8 engine, use SAE 0W-20 viscosity
2021 GMC Sierra 1500 Owner's Manual, PDF page 339
SAE 5W-30 viscosity grade engine oilOpen the manual at this page ↗Added Oct 15, 2026
See where it's printed
Oil type · 2.7L L4 and 4.3L V6 · PDF page 339
SAE 5W-30 viscosity grade engine oil
2021 GMC Sierra 1500 Owner's Manual, PDF page 339
an SAE 0W-30 oil may be usedOpen the manual at this page ↗Added Oct 15, 2026
See where it's printed
Oil type · 2.7L L4 and 4.3L V6, extreme cold below −29 °C (−20 °F) · PDF page 339
an SAE 0W-30 oil may be used
See every quote (3 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 5.3L V8 | 0W-20 | “For the 5.3L V8 engine, use SAE 0W-20 viscosity” | PDF page 339 ↗ |
| 2.7L L4 and 4.3L V6 | 5W-30 | “SAE 5W-30 viscosity grade engine oil” | PDF page 339 ↗ |
| 2.7L L4 and 4.3L V6, extreme cold below −29 °C (−20 °F) | 0W-30 | “an SAE 0W-30 oil may be used” | PDF page 339 ↗ |
Scroll the table to see the quote and page →
For 5.3L V8
For 2.7L L4 and 4.3L V6
For 2.7L L4 and 4.3L V6, extreme cold below −29 °C (−20 °F)
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